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Java Edition Classic 0.0.20a_02

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Classic 0.0.20a 02.png

Java Edition

Server version


Release date

June 20, 2009


Client not archived

Protocol version


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0.0.20a_02[1] was a version of Classic released on June 21, 2009, sometime before 14:52 UTC.[2]


  • Fixed a bug where if the player aims at a certain angle while placing a block it will appear to go inside an existing block.[3][note 1]
  • Fixed water transparency bug from the previous version.[verify]



  1. Although no direct evidence from Notch about this fix exists, this bug was reported for the last time in 0.0.20a_01.


  • June 20 IRC logs on; #minecraft.20090620.log. June 20, 2009 (UTC−5).
  • June 21 IRC logs on; #minecraft.20090621.log. June 21, 2009 (UTC−5).
  1. "Minecraft - Mein Secret Hideout" – L4DWonton, June 24, 2009 – via YouTube
  2. June 21 IRC logs: "A9:52:15 <Quatroking> we're currently running on 20a_2 already :P" (14:52 UTC)
  3. June 20 IRC logs: "P4:47:04 <Kapow> I'm getting the same bug with glass that I was with leaves, if you try to build off the side of it from a narrow angle, sometimes the place the new block will appear goes inside the existing block" (21:47 UTC)